During the first Republican presidential debate, candidates deflected a question about what's to blame for gun violence in the U.S. Meanwhile, a mass shooting was unfolding at a biker bar in California. » Sign up for our newsletter KnowThis to get the biggest stories of the day delivered straight to your inbox: go.nowth.is/knowthis_youtube » Subscribe to NowThis: go.nowth.is/News_Subscribe For more U.S. news and politics, subscribe to @NowThisNews. #GunControl #GunReform #GOPDebate #Politics #News #NowThis Connect with NowThis » Like us on Facebook: go.nowth.is/News_Facebook » Tweet us on Twitter: go.nowth.is/News_Twitter » Follow us on Instagram: go.nowth.is/News_Instagram » Find us on Snapchat Discover: go.nowth.is/News_Snapchat NowThis is your premier news outlet providing you with all the videos you need to stay up to date on all the latest in trending news. From entertainment to politics, to viral videos and breaking news stories, we’...